IMR 4227

IMR 4227 dates back over 200 years when the company was originally founded by E.I DuPont. Available for use in many reloading applications, the IMR  series of powder is trusted by reloaders all across the globe.

IMR 4227 Smokeless Powder (1lb & 8lbs. Containers) | Powder Valley

IMR  Magnum Pistol Powder is IMR.If you want magnum speeds and performance, you need IMR
Rifle cartridges like the 22 Hornet and 221 Fireball benefit greatly from this powder’s high velocity and pinpoint accuracy.

Important Information:

  • Do not exceed the loads displayed in the reloaders guide.
  • Never mix any two powders regardless of type, brand, or source.
  • Never substitute any smokeless powder for Black Powder or any Black Powder substitute.
    WARNING: Cancer and Reproductive Harm –

Additional information


1 Pound, 8 Pound


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